ISO 7379 shoulder screw allen head screws grade 5 bolt manufacturer

ISO 7379 shoulder screw with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolt. The cylindrical shoulder that allows for the rotation of attached parts like pulleys, gears, moving parts of engines and mechanical assemblies, and rolling wheels. Shoulder bolt also used to attach stripper plates. The socket head enables high torque fastening with limited clearance. Ever Hardware provides ISO 7379 shoulder screw and customizable packaging.

The hex socket screw drive has a hexagonal recess and may be driven by a hex wrench, also known as an Allen wrench, Allen key, hex key or inbus as well as by a hex screwdriver (also known as a hex driver) or bit. Tamper-resistant versions with a pin in the recess are available.
The German company Bauer & Schaurte patented the hex socket 1936 in Germany, and offered products based on it to the market. The abbreviation “Inbus” is derived from “Innensechskant Bauer & Schurte”, analogous to the US use of “Allen key”.

Heat treating makes the ISO 7379 shoulder screw high tensile to reaches on Grade 4.8 or 6.8 or 8.8 or 10.9 or 12.9. Heat treating is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass. Heat treatment involves the use of heating or chilling, normally to extreme temperatures, to achieve the desired result such as hardening or softening of a material. Heat treatment techniques include annealing, case hardening, precipitation strengthening, tempering, normalizing and quenching.

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Category ISO 7379 shoulder screw
Finish Galvanization
Thread types Machine thread or according to request
Material Stainless steel/carbon steel
Brand Ever Hardware
Place of origin China Mainland
Size option M1.0 to M30
Color Black or as request

ISO 7379 shoulder screw allen head screws grade 5 bolt manufacturer Ever Hardware Industrial Limited Ever Hardware Industrial Limited